Class: Picky::Backends::Memory::Marshal

Inherits:
Basic show all
Defined in:
lib/picky/backends/memory/marshal.rb

Overview

Index data in the Ruby Marshal format.

Instance Attribute Summary

Attributes inherited from Basic

#cache_file_path, #hash_type

Instance Method Summary collapse

Methods inherited from Basic

#cache_path, #delete, #empty, #initial, #initialize, #to_s, #type

Methods included from Helpers::File

#create_directory

Constructor Details

This class inherits a constructor from Picky::Backends::Memory::Basic

Instance Method Details

#dump(internal) ⇒ Object

Dumps the index internal backend in marshal format.



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# File 'lib/picky/backends/memory/marshal.rb', line 25

def dump internal
  create_directory cache_path
  dump_marshal internal
end

#dump_marshal(internal) ⇒ Object

Dumps binary self to the path given. Minus extension.



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# File 'lib/picky/backends/memory/marshal.rb', line 32

def dump_marshal internal
  ::File.open(cache_path, 'w:binary') do |out_file|
    ::Marshal.dump internal, out_file
  end
end

#extension ⇒ Object

Uses the extension “dump”.



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# File 'lib/picky/backends/memory/marshal.rb', line 13

def extension
  :dump
end

#load(_) ⇒ Object

Loads the index hash from marshal format.



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# File 'lib/picky/backends/memory/marshal.rb', line 19

def load _
  ::Marshal.load ::File.open(cache_path, 'r:binary')
end

#retrieve ⇒ Object

A marshal file does not provide retrieve functionality.



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# File 'lib/picky/backends/memory/marshal.rb', line 40

def retrieve
  raise "Can't retrieve from marshalled file. Use text file."
end